For how far we have come in tracking and optimizing online ads, we are still in the dark ages of mobile advertising, especially when it comes to promoting mobile apps.

Toys R Us is looking to increase its mobile sales via an iAd campaign that encourages users to download its iPhone shopping application.

Fast food giant McDonald’s is promoting its hot beverages via a new mobile ad campaign that aims to bolster its Hot McCafe sales, as well as in-store traffic.

Macy’s is promoting its Estee Lauder fragrance products via a new commerce-enabled mobile ad campaign.

Outdoor apparel and accessories retailer REI is running a rich-media interactive mobile ad campaign that lets consumers shop for winter gear no matter where they are.

Electronic retailer Radioshack is using mobile advertising to drive in-store traffic with a holiday-themed campaign.

Ace Hardware is making its first foray into advertising on Apple’s iPad via a new campaign that is featured on The Weather Channel’s iPad application.

Outdoor gear and apparel giant The North Face Inc. is helping consumers gear up for the holiday season via targeted shoppable mobile ads.

Chase is running time-sensitive mobile advertisements that encourage users to play a game to learn about the rewards they can receive with a Chase account.

Old Navy is offering consumers deals such as $5 for each of its graphic tees via a new mobile ad campaign.